/*
 * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The OpenAirInterface Software Alliance licenses this file to You under 
 * the Apache License, Version 2.0  (the "License"); you may not use this file
 * except in compliance with the License.  
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *-------------------------------------------------------------------------------
 * For more information about the OpenAirInterface (OAI) Software Alliance:
 *      contact@openairinterface.org
 */

#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>


#include "TLVEncoder.h"
#include "TLVDecoder.h"
#include "EpsBearerContextStatus.h"

int
decode_eps_bearer_context_status (
  EpsBearerContextStatus * epsbearercontextstatus,
  uint8_t iei,
  uint8_t * buffer,
  uint32_t len)
{
  int                                     decoded = 0;
  uint8_t                                 ielen = 0;

  if (iei > 0) {
    CHECK_IEI_DECODER (iei, *buffer);
    decoded++;
  }

  ielen = *(buffer + decoded);
  decoded++;
  CHECK_LENGTH_DECODER (len - decoded, ielen);
  //IES_DECODE_U16(*epsbearercontextstatus, *(buffer + decoded));
  IES_DECODE_U16 (buffer, decoded, *epsbearercontextstatus);
  return decoded;
}

int
encode_eps_bearer_context_status (
  EpsBearerContextStatus * epsbearercontextstatus,
  uint8_t iei,
  uint8_t * buffer,
  uint32_t len)
{
  uint8_t                                *lenPtr;
  uint32_t                                encoded = 0;

  /*
   * Checking IEI and pointer
   */
  CHECK_PDU_POINTER_AND_LENGTH_ENCODER (buffer, EPS_BEARER_CONTEXT_STATUS_MINIMUM_LENGTH, len);

  if (iei > 0) {
    *buffer = iei;
    encoded++;
  }

  lenPtr = (buffer + encoded);
  encoded++;
  IES_ENCODE_U16 (buffer, encoded, *epsbearercontextstatus);
  *lenPtr = encoded - 1 - ((iei > 0) ? 1 : 0);
  return encoded;
}

void
dump_eps_bearer_context_status_xml (
  EpsBearerContextStatus * epsbearercontextstatus,
  uint8_t iei)
{
  OAILOG_DEBUG (LOG_NAS, "<Eps Bearer Context Status>\n");
  OAILOG_DEBUG (LOG_NAS, "    <EBI>%u</EBI>\n", *epsbearercontextstatus);
  OAILOG_DEBUG (LOG_NAS, "</Eps Bearer Context Status>\n");
}
